2146913280 has 132 divisors (see below), whose sum is σ = 7439158272. Its totient is φ = 572497920.

The previous prime is 2146913273. The next prime is 2146913309. The reversal of 2146913280 is 823196412.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22785 + ... + 69375.

Almost surely, 2^2146913280 is an apocalyptic number.

2146913280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2146913280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3719579136).

2146913280 is an abundant number, since it is smaller than the sum of its proper divisors (5292244992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2146913280 is a wasteful number, since it uses less digits than its factorization.

2146913280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46622 (or 46601 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2146913280 is about 46334.7955644567. The cubic root of 2146913280 is about 1290.0449236203.

The spelling of 2146913280 in words is "two billion, one hundred forty-six million, nine hundred thirteen thousand, two hundred eighty".